CN215873607U - External rotatory detachable construction of safety helmet lens - Google Patents
External rotatory detachable construction of safety helmet lens Download PDFInfo
- Publication number
- CN215873607U CN215873607U CN202121252261.4U CN202121252261U CN215873607U CN 215873607 U CN215873607 U CN 215873607U CN 202121252261 U CN202121252261 U CN 202121252261U CN 215873607 U CN215873607 U CN 215873607U
- Authority
- CN
- China
- Prior art keywords
- lens
- clamping
- hole
- matched
- connecting column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an external rotary detachable structure of a safety helmet lens, and relates to the technical field of safety helmets; comprises a cap body, a lens, a snap ring, a hole on the lens and matched with the snap ring, and a rotary buckle which is covered on one side of the hole far away from the cap body and used for limiting the lens; the inner wall of the hole is provided with a bulge, the outer edge of the clamping ring is provided with a plurality of gear grooves matched with the bulge, and the gear grooves are in arc transition; the rotary buckle comprises a cover plate covering one side of the hole and a connecting piece fixedly connected to one side of the cover plate; the connecting piece comprises a connecting column fixedly connected with the cover plate and a plurality of clamping blocks fixedly connected to the side surface of the connecting column; the clamping ring is provided with a slot matched with the connecting piece, the side wall of the slot is provided with an embedded groove for the fixture block to be embedded after rotation, one end of the fixture block, which is far away from the connecting column, is provided with a clamping groove, and the inner wall of the embedded groove is provided with an elastic block matched with the clamping groove. The utility model is convenient to disassemble and assemble and convenient to maintain and replace the lens.
Description
Technical Field
The utility model belongs to the technical field of safety helmets, and particularly relates to an external rotary detachable structure of a safety helmet lens.
Background
The lens is a main part of the safety helmet and has the functions of shielding and protecting eyes.
The lens of the existing safety helmet is inconvenient to disassemble and assemble, so that the lens is inconvenient to maintain and replace.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides an external rotary detachable structure of a helmet lens.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an external rotary detachable structure of a safety helmet lens comprises a helmet body, a lens, a snap ring detachably connected with the helmet body, a hole in the lens and matched with the snap ring, and a rotary buckle which is covered on one side of the hole far away from the helmet body and used for limiting the lens; the inner wall of the hole is provided with a bulge, the outer edge of the clamping ring is provided with a plurality of gear grooves matched with the bulge, and the gear grooves are in arc transition; the rotary buckle comprises a cover plate covering one side of the hole and a connecting piece fixedly connected to one side of the cover plate; the connecting piece comprises a connecting column fixedly connected with the cover plate and a plurality of clamping blocks fixedly connected to the side surface of the connecting column; the clamping ring is provided with a slot matched with the connecting piece, the side wall of the slot is provided with an embedded groove for the fixture block to be embedded after rotation, one end of the fixture block, which is far away from the connecting column, is provided with a clamping groove, and the inner wall of the embedded groove is provided with an elastic block matched with the clamping groove. When the lens is installed, the clamping ring is installed on the cap body, the lens is sleeved on the clamping ring, the clamping ring is located in the hole, the protrusion is located in one of the gear grooves, the connecting piece is inserted into the slot, then the rotating buckle is rotated, the clamping block enters the embedded groove, and the elastic block is matched with the clamping groove. When the disassembly is needed, the rotating buckle is rotated reversely.
Preferably, the cap body is fixedly connected with an embedded part, the embedded part is provided with a clamping hole, and one side of the clamping ring is provided with a clamping joint used for being clamped with the clamping hole.
Preferably, the number of the snap joints on the snap ring is two.
Preferably, the snap joints are located on opposite sides of the snap ring. The stability is good.
Preferably, the number of the clamping blocks on the connecting column is three.
Preferably, the fixture blocks are arranged in an annular array centered on the axis of the attachment post.
Preferably, the cap body is provided with air holes. The weight of the hat can be reduced while the air permeability is increased.
The utility model has the beneficial effects that: when the lens is installed, the embedded part is fixed on the cap body in advance, the clamping head is inserted into the clamping hole, the clamping ring is installed on the cap body, the lens is sleeved on the clamping ring, the clamping ring is located in the hole, the protrusion is located in one of the gear grooves, the connecting piece is inserted into the slot, then the rotating buckle is rotated, the clamping block enters the embedded groove, and the elastic block is matched with the clamping groove. When the disassembly is needed, the rotating buckle is rotated reversely. The utility model is convenient to disassemble and assemble and convenient to maintain and replace the lens.
Drawings
FIG. 1 is an exploded view of an embodiment;
FIG. 2 is a schematic view of the rotating clasp in mating engagement with the snap ring;
fig. 3 is a partial sectional view of the embodiment.
In the figure: the cap body 1, lens 2, snap ring 3, hole 4, arch 6, gear groove 7, apron 8, spliced pole 9, fixture block 10, connecting piece 11, slot 12, draw-in groove 13, elastic block 14, built-in fitting 15, joint 16.
Detailed Description
The utility model is explained in further detail below with reference to the figures and the detailed description:
example (b):
referring to fig. 1 to 3, an external rotary detachable structure of a helmet lens comprises a cap body 1, a lens 2, a snap ring 3 detachably connected with the cap body 1, a hole 4 on the lens 2 and adapted to the snap ring 3, and a rotary buckle covering one side of the hole 4 far from the cap body 1 and used for limiting the lens 2;
the inner wall of the hole 4 is provided with a bulge 6, the outer edge of the clamping ring 3 is provided with a plurality of gear grooves 7 matched with the bulge 6, and the gear grooves 7 are in arc transition;
the rotary buckle comprises a cover plate 8 covering one side of the hole 4 and a connecting piece 11 fixedly connected to one side of the cover plate 8;
the connecting piece 11 comprises a connecting column 9 fixedly connected with the cover plate 8 and a plurality of clamping blocks 10 fixedly connected to the side surface of the connecting column 9;
the clamping ring is characterized in that a slot 12 matched with the connecting piece 11 is formed in the clamping ring 3, an embedded groove for enabling the clamping block 10 to be embedded after rotation is formed in the side wall of the slot 12, a clamping groove 13 is formed in one end, far away from the connecting column 9, of the clamping block 10, and an elastic block 14 matched with the clamping groove 13 is arranged on the inner wall of the embedded groove. The cap body 1 is provided with air holes.
An embedded part 15 is fixedly connected to the cap body 1, a clamping hole is formed in the embedded part 15, and a clamping head 16 used for being clamped with the clamping hole is arranged on one side of the clamping ring 3.
The number of the snap joints 16 on the snap ring 3 is two. The snap joints 16 are located on opposite sides of the snap ring 3.
The number of the clamping blocks 10 on the connecting column 9 is three. The fixture blocks 10 are arranged in an annular array with the axis of the connecting column 9 as the center.
Principle of embodiment:
when the lens is installed, the embedded part 15 is fixed on the cap body 1 in advance, the clamping joint 16 is inserted into the clamping hole, the clamping ring 3 is installed on the cap body 1, the lens is sleeved on the clamping ring, the clamping ring is located in the hole 4, the protrusion 6 is located in one of the gear grooves 7, the connecting piece 11 is inserted into the slot 12, then the rotating buckle is rotated, the clamping block 10 enters the embedded groove, and the elastic block 14 is matched with the clamping groove 13.
When the disassembly is needed, the rotating buckle is rotated reversely.
Claims (7)
1. An external rotary detachable structure of a safety helmet lens is characterized by comprising a helmet body, a lens, a snap ring detachably connected with the helmet body, a hole matched with the snap ring on the lens, and a rotary buckle covering one side of the hole far away from the helmet body and used for limiting the lens;
the inner wall of the hole is provided with a bulge, the outer edge of the clamping ring is provided with a plurality of gear grooves matched with the bulge, and the gear grooves are in arc transition;
the rotary buckle comprises a cover plate covering one side of the hole and a connecting piece fixedly connected to one side of the cover plate;
the connecting piece comprises a connecting column fixedly connected with the cover plate and a plurality of clamping blocks fixedly connected to the side surface of the connecting column;
the clamping ring is provided with a slot matched with the connecting piece, the side wall of the slot is provided with an embedded groove for the fixture block to be embedded after rotation, one end of the fixture block, which is far away from the connecting column, is provided with a clamping groove, and the inner wall of the embedded groove is provided with an elastic block matched with the clamping groove.
2. The external rotary detachable structure of a helmet lens according to claim 1, wherein the helmet body is fixedly connected with an embedded part, the embedded part is provided with a clamping hole, and one side of the snap ring is provided with a clamping head for clamping with the clamping hole.
3. The external rotary detachable structure of helmet lens according to claim 2, wherein the number of the snap joints on the snap ring is two.
4. The externally rotatable and detachable structure for a safety helmet lens as claimed in claim 3, wherein said snap joints are located on opposite sides of the snap ring.
5. The external rotary detachable structure of safety helmet lens as claimed in claim 1, wherein the number of the fixture blocks on the connecting column is three.
6. The external rotary detachable structure of safety helmet lens according to claim 5, wherein the fixture blocks are arranged in a circular array with the axis of the connecting column as the center.
7. The external rotary detachable structure of a safety helmet lens as claimed in claim 1, wherein the helmet body is provided with air holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121252261.4U CN215873607U (en) | 2021-06-04 | 2021-06-04 | External rotatory detachable construction of safety helmet lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121252261.4U CN215873607U (en) | 2021-06-04 | 2021-06-04 | External rotatory detachable construction of safety helmet lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215873607U true CN215873607U (en) | 2022-02-22 |
Family
ID=80561044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121252261.4U Active CN215873607U (en) | 2021-06-04 | 2021-06-04 | External rotatory detachable construction of safety helmet lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215873607U (en) |
-
2021
- 2021-06-04 CN CN202121252261.4U patent/CN215873607U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215873607U (en) | External rotatory detachable construction of safety helmet lens | |
| CN103075642B (en) | Focusing flashlight | |
| CN202972566U (en) | Focusing electric torch | |
| CN213638149U (en) | Earphone convenient to dismantle and take headband of earphone | |
| CN202622386U (en) | Cutter locking seat | |
| CN208863040U (en) | Earphone rotary fine adjustment mechanism and earphone | |
| CN203538476U (en) | Detachable rain cape helmet | |
| CN211984033U (en) | Transparent closed safety helmet | |
| CN206822036U (en) | A kind of mask of new rotatable goggles eyeglass | |
| CN219229151U (en) | Detachable helmet | |
| CN209825323U (en) | Lightweight safety device that construction operation used | |
| CN212876092U (en) | Earphone capable of being connected to oxygen generator | |
| CN215347264U (en) | Safety helmet with detachable brim | |
| CN205610865U (en) | Portable head -mounted apparatus | |
| CN210929830U (en) | Cap with rearview mirror | |
| CN219679872U (en) | Adjustable 3C helmet | |
| CN215603476U (en) | Helmet convenient to dismantle face guard | |
| CN204337735U (en) | Novel three sections of separate device | |
| CN212437512U (en) | Helmet goggles convenient to installation is adjusted | |
| CN219719816U (en) | Garden protective mask with good protective effect | |
| CN215775833U (en) | Safety helmet inner belt buckle structure | |
| CN209913587U (en) | Stator sheet for ship motor | |
| CN206517579U (en) | Easy-to-mount headphone | |
| CN217958919U (en) | Safety helmet for motorcycle | |
| KR200467724Y1 (en) | Winter safety cap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |